#pragma once 
#include<iostream>
#include<string>
#include<vector>
#include<fstream>
#include<boost/algorithm/string.hpp>
#include"cppjieba/Jieba.hpp"

namespace us_util
{
    class FileUtil
    {
        public:
        static bool ReadFile(const std::string& file_name,std::string* result)
        {
            std::ifstream in(file_name,std::ios::in);
            if(!in.is_open())
            {
                std::cerr<<file_name<<"文件打开失败"<<std::endl;
                return false;
            }
            std::string line;

            while(std::getline(in,line))
            {
                *result+=line;
            }

            in.close();  
            return true;
        }
    };
    
    class StringUitl
    {
        public:
        static void Split(const std::string& line,std::vector<std::string>* results,const std::string& sep)
        {
            boost::split(*results,line,boost::is_any_of(sep),boost::token_compress_on);
        }

        static void to_lower(std::string& s)
        {
            for(auto& ch:s)
            {
                if('A'<=ch && ch<= 'Z')
                {
                    ch+=32;
                }
            }
        }
    };

    const char* const DICT_PATH="./dict/jieba.dict.utf8";
    const char* const HMM_PATH="./dict/hmm_model.utf8";
    const char* const USER_DICT_PATH="./dict/user.dict.utf8";
    const char* const IDF_PATH="./dict/idf.utf8";
    const char* const STOP_WORD_PATH="./dict/stop_words.utf8";

    class JiebaUtil
    {
        private:
            static cppjieba::Jieba jieba;
        public:
            static void CutString(const std::string& src,std::vector<std::string>* out)
            {
                jieba.CutForSearch(src,*out);
            }

          
    };
    cppjieba::Jieba JiebaUtil:: jieba(DICT_PATH,HMM_PATH,USER_DICT_PATH,IDF_PATH,STOP_WORD_PATH);
}; 
